Average Co-Inventor Count = 14.01
ph-index = 2
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. Caterpillar Inc. (2 from 9,507 patents)
2. Other (1 from 833,002 patents)
3 patents:
1. 8608834 - Filter service system and method
2. 8252093 - Filter service system and method
3. 7410529 - Filter service system and method